Cheap flights from Austin to Denver

Cheapest current fares: $134 in August 2026, 1,247 km direct flight in ~1h 28m.

Last updated · By

Live fares · AUS → DEN

Cheapest month-by-month fares

Lowest available fare per calendar month from Austin (AUS) to Denver (DEN). Refreshed daily.

Austin (AUS) → Denver (DEN)

  1. August 2026 $134

Frequently asked questions

  • What is the cheapest month to fly from Austin to Denver?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Austin (AUS) to Denver (DEN), with fares starting from $134.

  • What is the lowest current fare from AUS to DEN?

    The lowest currently-listed fare from Austin (AUS) to Denver (DEN) is $134 on 2026-08-20.

  • How long is the flight from Austin to Denver?

    Direct flights from AUS to DEN cover approximately 1,247 km (775 miles), with an estimated flight time of 1h 28m. Operating airlines: DL, F9, UA, WN.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: AUS → DEN Cheapest month to fly to Denver All flights from Austin All flights to Denver Flights to USA Visa-free with USA passport DL routes F9 routes UA routes